!--- Set the MTU to its maximum
!--- size (9216 bytes) in order
!--- to enable the Jumbo MTU
!--- for the whole switch.
switch(config)#system jumbomtu 9216!--- Set the MTU specification for an interface.
switch(config)#interface ethernet x/x!--- By default, Cisco NX-OS configures Layer 3 parameters.
In order to configure Layer 2 parameters, use this command.
switch(config-if)#switchport
switch(config-if)#mtu 9216
switch(config-if)#exit